Denon D-M31S Compact High-Fidelity Stereo (Silver) Compact executive microsystem with CD, tuner, and light-cherry-finished bookshelf speakers 22 watts per channel, AM/FM stereo tuner with 40 station presets 2-way bookshelf speakers with 5-inch woofers, 1-inch, soft-dome tweeters, and wide frequency response (75 to 35,000 Hz) Subwoofer preamp output; optical digital-audio output; auxiliary analog stereo output Headphone jack for private listening; Super Dynamic Bass low-end enhancement; includes remote control